# Planner and Related Domain Objects
In this chapter, we will focus on listing the Planner and related core domain objects. We have omitted their corresponding code parts. If you would like to learn more, please refer to the [API Reference Section](../../Tech_Capabilities/Others/API_Reference.md).

## Planner Base Class
Package Path:`agentuniverse.agent.plan.planner.planner.Planner`

## Planner Manager
Package Path:`agentuniverse.agent.plan.planner.planner_manager.PlannerManager`